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13970 (1991 RH27)
Classification: Main-belt Asteroid          SPK-ID: 2013970
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873346262004259 6.1579e-08  
a 2.244975033555014 1.3358e-08 AU
q 1.824413474814697 1.4481e-07 AU
i 4.845309980761177 5.6525e-06 deg
node 149.5033002914337 6.5919e-05 deg
peri 167.8166349594201 6.761e-05 deg
M 3.206033082137812 1.6127e-05 deg
tp 2456989.558390805859
(2014-Nov-28.05839081)
5.5006e-05 JED
period 1228.614680190506
3.36
1.0966e-05
3.002e-08
d
yr
n .2930129403501669 2.6153e-09 deg/d
Q 2.665536592295332 1.5861e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      8370 days (22.92 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53722  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:02:43  

Additional Information
 Earth MOID = .812334 AU 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO302152  

13970 (1991 RH27)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RH27 = 1991 TA6 = 1997 GA39 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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